After Windows 10 32 bit installation to micromax laptab. Audio n touch screen not working

[Stalin A]

I have a micromax canvas laptab lt 777w running on windows 10 version and its a 32 bit operating system, x64-based processor. recently i have updated to the creators update but to my dismay after the update my touch screen has stopped working along with my audio. i checked the device manager and i found no drivers for audio and HID complaint touch screen driver. Also checked in device manager the sound options are not ther. pls. look into this matter asap.

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